Avira Free Security for Windows vs OnSystem Logic OnSystem Defender: side-by-side comparison (2026)
Avira Free Security for Windows is a free endpoint protection platform solution by Avira. OnSystem Logic OnSystem Defender is a commercial endpoint protection platform solution by OnSystem Logic. Features, integrations, deployment and the company behind each one, side by side.
Free antivirus & security suite for Windows with VPN and system optimization
Endpoint app control & memory protection to prevent malware execution on Windows.
Side-by-side comparison
Feature
Avira Free Security for Windows
OnSystem Logic OnSystem Defender
Pricing model
Free
Commercial
Category
Endpoint Protection Platform
Endpoint Protection Platform
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
Startup, SMB
SMB, Mid-Market, Enterprise
Company
Company
Avira
OnSystem Logic
Use cases and capabilities
Password Management
Yes
No
Windows Security
Yes
Yes
Ransomware Prevention
No
Yes
Zero Day
No
Yes
App Security
No
Yes
Whitelist
No
Yes
Windows
No
Yes
Software Supply Chain
No
Yes
Runtime Security
No
Yes
Security Hardening
No
Yes
Anomaly Detection
No
Yes
Core features
8 features listed
8 features listed
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